Randomized controlled trial about the influence of instruction to use programmed room heating on morning blood pressure surge.

Not Applicable

• Conditions: none

• Registration Number: JPRN-UMIN000004623
• Lead Sponsor: Department of community health and epidemiology, Nara Medical University School of Medicine

Brief Summary

Intervention significantly increased living room temperature by (2.09ºC, 95%CI: 1.28 to 2.9), and significantly decreased SBP and DBP by 4.43/2.33 during 4h after rising. J Hypertens. 2015, 33(11), 2338-43

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2010-11-25
• Study Completion: 2014-01-31
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 400

Inclusion Criteria

Not provided

Exclusion Criteria

Participants who have no heating devises with programmed starting function, participants who habitualy use the living room as a bed room.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Sleep-trough Morning Blood Pressure Surge: 1) minus 2) 1) Morning BP: average in 2 hours after wake-up time, 2) Lowest sleeping BP: average of three BP readings centered on the lowest sleeping BP.

Secondary Outcome Measures

Name	Time	Method
Blood pressure in 30 minutes after awaking, mean blood pressure in 60 minutes after awaking, pulse rate, pulse pressure. Ambulatory blood pressure, indoor temperature, and physical activity in 4h after rising.